Climatic factors

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  • Tuyển tập các báo cáo nghiên cứu về sinh học được đăng trên tạp chí lâm nghiệp đề tài: Effect of climatic factors on the dynamics of radial increments of Norway spruce, European beech and sessile oak...

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  • Tuyển tập các báo cáo nghiên cứu về lâm nghiệp được đăng trên tạp chí lâm nghiệp Original article đề tài: An integrated analysis of 33 Eucalyptus trials linking the onset of competition-induced tree growth suppression with management, physiographic and climatic factors...

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  • Plants are continuously affected by a variety of environmental factors. Whereas biotic environmental factors are other organisms such as symbionts, parasites, pathogens, herbivores, and competitors, abiotic factors include parameters and resources which determine plant growth like temperature, relative humidity, light, availability of water, mineral nutrients, and CO 2 , as well as wind, ionizing radiation, or pollutants (Schulze et al. 2002 ) . The effect each abiotic factor has on the plant depends on its quantity or intensity.

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  • Facts on Climate Change A summary of the 2007 Assessment Report of the IPCC CLIMATE CHANGE is already having measurable consequences and future impacts are expected to A summary by: be wide-ranging and costly. How can we adapt to such changes or limit their extent? The latest findings of the IPCC provide some answers. .

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  • The most significant issues facing mankind today are related to the quality of our environment. Past decisions did not always consider environmental factors as critical elements. However, current decisions made daily should reflect the importance of the environment. All environment-related issues are multidisciplinary, ranging from science and engineering to social, economic, and regulatory issues. Further, these issues are not related to any one region or country, but are global in nature, requiring multidisciplinary, multiorganizational, and multinational educational efforts....

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  • Over the past several years, scientists, public health officials, and policy makers have become increasingly interested in understanding how the emergence and spread of infectious diseases could be affected by environmental factors, particularly variations in climate. In September 1995 the Institute of Medicine/ National Academy of Sciences and the National Science and Technology Council held a Conference on Human Health and Global Climate Change.

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  • The safe management of nuclear and radioactive wastes is a subject that has recently received considerable recognition due to the huge volume of accumulative wastes and the increased public awareness of the hazards of these wastes. This book aims to cover the practice and research efforts that are currently conducted to deal with the technical difficulties in different radioactive waste management activities and to introduce to the non-technical factors that can affect the management practice.

    pdf0p bi_bi1 12-07-2012 42 9   Download

  • Sensitive skin is becoming a common clinical condition that dermatologists should be prepared to recognize, understand, and treat. Subjects experiencing this condition report exaggerated reactions when their skin is in contact with cosmetics, soaps, and other substances, and they often report worsening after exposure to dry and cold climates. Sensitive skin and subjective irritation are widespread in western countries, but still far from being completely defined and understood.

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  • Kenyan’s livelihoods are closely linked to their access to natural resources. As our population increases and environmental quality continues to decline, there is an increased risk of social and economic destabilization, which will have signifi cant impacts on overall national security. Rural people are among the most vulnerable and insecure in terms of poverty, health, food security, economic losses, and confl icts resulting from competitive access to natural resources, among other factors....

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  • For bonds, debentures, asset-backed securities and other debt securities, the fair value represents the bid price provided by independent security pricing services. Short-term investments are included in the Statement of Investment Portfolio at their fair value. Unlisted warrants are valued based on a pricing model which considers factors such as the market value of the underlying security, strike price and terms of the warrant.

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  • Female infertility is most often caused by problems with ovulation (40%) or fallopian tubes (40%). Other possible causes include endometriosis, in which the uterine lining grows outside the uterus, premature ovarian failure, in which a woman’s ovaries stop functioning before she reaches the age of forty, and uterine fibroids. Women who were exposed in the womb to diethylstilbestrol (DES), a synthetic estrogen prescribed to women from 1938-1971, have had an increased risk of infertility. Sexually transmitted infections (STIs) also play a major role in infertility.

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  • Epidemiological studies indicate that NO2 may increase respiratory illness in older children (5–15 years). These findings are of concern because of the potential long-term effects. Studies indicate that repeated respiratory illness in older children (independent of NO2) is associated with increased lung damage in later life. Thus, any increases in such illnesses associated with NO2 could have subsequent, as well as immediate, consequences (WHO, 2000).

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  • The coefficient of interest, γ1, is the percentage effect of HNC on air pollution. The vector of covariates, xt, includes indicator variables for month of the year, day of the week, and hour of the day as well as interactions between weekends and hour of the day. In addition, xt includes weather variables including current and 1-hour lags of quartics in temperature, humidity, and wind speed. 14 Equation (1) is first estimated using least squares (OLS) for four different time windows rang- ing from 1986-1993 to 1989-1990.

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  • The objective of alkaline peroxide bleaching optimisation (Paper III) was to achieve a brightness of 75% ISO, with minimal sodium hydroxide consumption, whilst retaining the pulp properties. The variables studied were the pressurisation of the first peroxide (P1) stage with oxygen, the substitution of sodium hydroxide partially with sodium carbonate and a mild alkali treatment before the actual peroxide bleaching. In addition, the role of sugars in the bleaching stages was studied by adding glucose or xylose to the P1 stage. The bleaching conditions are presented in Paper III. ...

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  • Đề tài: Phân tích bài nghiên cứu “creative climate and learning organization factors: their contribution towards innovation” nhằm nhận dạng mô hình lý thuyết của đề tài, việc đo lường các biến tiềm ẩn bằng các yếu tố thành phần có đủ độ tin cậy thống kê hay không, những cơ sở lý thuyết để lập mô hình lý thuyết của đề tài.

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  • The atmosphere is a mixture of several gases surrounding the earth's crust and has a layer that protects and preserves the lives of human beings and keeping the materials in good condition and functionality. Once damaged, by pollutants emitted from anthropogenic and natural sources, the atmosphere reduces the levels of protection due to formation of the ozone layer. The presence of contaminants in indoors and outdoors influenced by climatic factors, has a negative effect on human health and the durability of materials. Indoor air quality is a reflection of the outside air....

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  • For the purpose of this review, green bonds are broadly defined as fixed-income debt securities issued (by governments, multi-national banks or corporations) in order to raise the necessary capital for a project which contributes to a low carbon, climate resilient economy. To date, these have been issued predominantly as AAA-rated securities by the World Bank and other development banks and some other entities in order to raise capital specifically for climate change and green growth related projects.

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  • More and more evidence of global climate warming, sea level rise, droughts, floods and climate extremes are recorded. In Vietnam, the manifestation of climate change (CC) is often considered as changing the level and trend of variation of main climatic elements and sea level. However, Vietnam climate influenced by the characteristics of atmospheric circulation in the Earth climate system.

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  • If we really want to avoid climate change and conserve the ecosystems on which we all depend, it’s clear that we have to tackle both what we produce and consume. To progress this work, WWF believes that the UK government and retailers need to urgently develop and promote eating habits based on a sustainable diet if we are to address climate change, protect ecosystems and start to reverse the impacts of poor nutritional choices and promotions on people’s health.

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  • Empowerment is the increase of individual and collective power of people and social groups in interpersonal relations and institutions, especially those submitted to relations of oppression and social domination(8). As such, empowerment will have the primary purpose of helping people and communities to become more independent, generating self-confidence and sense of governance. One can associate empowerment to health gains, as one recognizes that its absence is a risk factor for falling ill(9).

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